There are about 500 aquariums in USA. The following is a list of top rated aquariums in USA.
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Ripley's Aquarium of the Smokies
Photograph by ripleyaquariums.com
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Photograph by Sage Ross, via Wikimedia Commons
Photograph by AndrewHorne, via Wikimedia Commons
Photograph by Beyond My Ken, via Wikimedia Commons
Photograph by adobemac, via Wikimedia Commons
Photograph by MusikAnimal, via Wikimedia Commons
Audubon Aquarium of the Americas
Photograph by Carol M. Highsmith, via Wikimedia Commons
Photograph by Smcafee87, via Wikimedia Commons